CECO CEO reports tax-withheld share disposition

CECO Environmental Chief Executive Officer Todd R. Gleason reported a tax-related share disposition.

Accepted by SEC EDGAR 03/09/2026 - 01:04 PM EDT

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Rhea-AI Filing Summary

CECO Environmental Chief Executive Officer Todd R. Gleason reported a tax-related share disposition. On March 7, 2026, 3,557 shares of common stock were withheld at $52.53 per share to cover the tax liability from vesting restricted stock units.

After this tax-withholding disposition, Gleason directly holds 407,278 shares of CECO common stock, with additional indirect holdings of common stock reported for his children, plus multiple stock option and restricted stock unit positions.

Insider Trade Summary

Exercise Price or Tax Liability: 3,557 shares

Exercise Price or Tax Liability 1 txn

Insider Gleason Todd R

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	3,557	$52.53	$187K
Holding	Stock Option (right to buy)	--	--	--
Holding	Stock Option (right to buy)	--	--	--
Holding	Stock Option (right to buy)	--	--	--
Holding	Stock Option (right to buy)	--	--	--
Holding	Restricted Stock Units	--	--	--
Holding	Restricted Stock Units	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 407,278 shares (Direct); Stock Option (right to buy) — 1,007,899 contracts (Direct); Restricted Stock Units — 375,000 contracts (Direct); Common Stock — 444 shares (Indirect, By first son); Common Stock — 444 shares (Indirect, By second son); Common Stock — 444 shares (Indirect, By third son); Common Stock — 444 shares (Indirect, By daughter)

Holdings Before and After: Common Stock, 410,835 to 407,278 shares (Direct)

Footnotes (7)

F1. Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.
F2. The stock option vested in four installments beginning on June 6, 2021, and expires on June 6, 2027.
F3. The stock option vests in three equal annual installments beginning on March 15, 2025, and expires on March 15, 2034.
F4. The stock option vests in three equal annual installments beginning on March 17, 2026, and expires on March 17, 2035.
F5. Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.
F6. Conversion of restricted stock units to the Company's common stock will occur on July 5, 2027 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.
F7. Conversion of restricted stock units to the Company's common stock will occur on June 4, 2029 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

FAQ

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What insider transaction did CECO (CECO) disclose for CEO Todd Gleason?

CECO reported that CEO Todd R. Gleason had 3,557 shares of common stock withheld to cover tax liabilities from vesting restricted stock units. The shares were valued at $52.53 each, reflecting a routine tax-withholding disposition rather than an open-market sale.

How many CECO shares were withheld for taxes in the latest Form 4?

The filing shows 3,557 CECO Environmental common shares were withheld to satisfy tax obligations tied to restricted stock unit vesting. This tax-withholding disposition used a reference price of $52.53 per share, based on the value at the time of the transaction.

What is CECO CEO Todd Gleason’s direct ownership after the reported transaction?

After the tax-withholding disposition, CEO Todd R. Gleason directly owns 407,278 shares of CECO common stock. The Form 4 also notes separate indirect holdings of common stock for his children, along with several stock option and restricted stock unit positions.

Were the CECO insider transactions open-market buys or sells?

The highlighted transaction is a tax-withholding disposition, coded “F,” where 3,557 shares were withheld to cover tax liabilities on restricted stock unit vesting. The data do not show open-market purchases or sales by the CEO in this specific Form 4 submission.

What equity awards for CECO’s CEO are referenced in the Form 4 footnotes?

Footnotes describe stock options vesting in installments between June 2021 and March 2026, expiring between 2027 and 2035, and performance-based restricted stock units. Some RSUs convert to common stock in 2027 and 2029 if employment and specified stock price targets are met.

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Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gleason Todd R

(Last)

(First)

(Middle)

5080 SPECTRUM DRIVE

SUITE 800E

(Street)

ADDISON

75001

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
CECO ENVIRONMENTAL CORP [ CECO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/07/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/07/2026		F⁽¹⁾		3,557	D	$52.53	407,278	D
Common Stock								444	I	By first son
Common Stock								444	I	By second son
Common Stock								444	I	By third son
Common Stock								444	I	By daughter

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (right to buy)	$6.36							⁽²⁾	⁽²⁾	Common Stock	316,902		316,902	D
Stock Option (right to buy)	$12.72							⁽²⁾	⁽²⁾	Common Stock	598,204		598,204	D
Stock Option (right to buy)	$21.31							⁽³⁾	⁽³⁾	Common Stock	25,446		25,446	D
Stock Option (right to buy)	$23.5							⁽⁴⁾	⁽⁴⁾	Common Stock	67,347		67,347	D
Restricted Stock Units	⁽⁵⁾							⁽⁶⁾	⁽⁶⁾	Common Stock	225,000		225,000	D
Restricted Stock Units	⁽⁵⁾							⁽⁷⁾	⁽⁷⁾	Common Stock	150,000		150,000	D

Explanation of Responses:

1. Reflects shares withheld for net settlement to cover the tax liability for the vesting of restricted stock units.

2. The stock option vested in four installments beginning on June 6, 2021, and expires on June 6, 2027.

3. The stock option vests in three equal annual installments beginning on March 15, 2025, and expires on March 15, 2034.

4. The stock option vests in three equal annual installments beginning on March 17, 2026, and expires on March 17, 2035.

5. Represents performance-based restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Company's stock.

6. Conversion of restricted stock units to the Company's common stock will occur on July 5, 2027 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

7. Conversion of restricted stock units to the Company's common stock will occur on June 4, 2029 assuming the reporting person is still employed by the Company and if the shares of the Company's common stock have achieved certain stock price targets over the course of the performance period.

Remarks:

Exhibit 24: Power of Attorney

	/s/ Kiril Kovachev as Attorney-in-Fact for Todd Gleason	03/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR